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Model: 1770

MANUFACTURED BY:
PIONEER SAWS LTD.
PETERBOROUGH, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1970
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
6.56 cu. in. (107 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.3125 in. (58.7 mm)
PISTON STROKE:
1.5625 in. (39.6 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
24 lbs. (10.8 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal, 3 shoe
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast and sand cast magnesium alloy housings
MAGNETO TYPE:
Pioneer flywheel type
CARBURETOR:
Pioneer OMC diaphragm type
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
nla
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Pioneer automatic rewind
OIL PUMP:
Automatic with manual override
MAXIMUM ENGINE RPM:
6,500 working speed
IDLE RPM:
IGNITION TIMING:
30 degrees BTDC
BREAKER POINT SETTING:
0.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:
0.008 to 0.012 in. (0.2 to 0.25 mm)
SPARK PLUG TYPE:
Champion CJ6
SPARK PLUG GAP:
0.030 in. (0.76 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
35.2 fl. oz. (1041 ml)
FUEL OIL RATIO:
12:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
SAE 30 to 40 Two-cycle air cooled mix oil
CHAIN PITCH:
.400 - .058 in.
CHAIN TYPE:
Pioneer Duracut
BAR MOUNT PATTERN:
01 link
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
42 in. (106 cm)
COLOUR SCHEME:
Pioneer pale yellow with Forest Green top covers
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:





 

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